Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, perhaps you’ve already had that apprehension. So when you listen to an alternator noise on Volkswagen Caddy, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this article to support you find the origins of alternator sounds. In this article, you will first see the role and operation of the alternator in your Volkswagen Caddy and then what the causes and solutions to alternator noise on Volkswagen Caddy may be.
Role and alternator operation Volkswagen Caddy
Alternator role
Your alternator is an essential component of your Volkswagen Caddy. In fact, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging the battery once the car is in motion, to provide power to the car in motion and to allow you to always have a enough energy reserve to be able to restart the next time.
Alternator functioning
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The alternator operates on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine itself that will furnish the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Volkswagen Caddy engine stops, the battery takes over to furnish the car with energy.
What are the distinctive alternator noises or sounds on my Volkswagen Caddy and what are the causes?
I notice a knocking noise caused by the alternator of my Volkswagen Caddy
One of the characteristic noises of a tired alternator on Volkswagen Caddy is a knocking noise. This alternator sound on Volkswagen Caddy will generally appear when your engine is idling, it can be associated with voltage drops that could affect the normal operation of electrical elements such as headlights for example. In general, it is a of both bearings of the alternator that is defective, to check it, use a multimeter on the terminals of your car with the engine running and you must get a value between 12 and 14.7 volts, which means that your alternator is charging your battery well. If the value is lower, the alternator of your Volkswagen Caddy is tired and you should think about changing the bearing if it is the only reason otherwise the whole part.
I listen to a grinding noise coming from the alternator of my Volkswagen Caddy
If you are in the case where the alternator of your Volkswagen Caddy produces grinding sounds, in this case you will have to look into it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, however , in general, we often notice by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we encourage that you read this content to find all the necessary information to solve an accessory belt noise on Volkswagen Caddy.
I listen to a loud noise from the alternator of my Volkswagen Caddy
Listening a loud noise from the alternator of your Volkswagen Caddy is quite regular, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to check that the battery indicator light on your dashboard does not show up, and that you do not have a voltage drop when your engine is running (headlight or dashboard light that jumps for example. If this noise is too loud, we encourage that you check out this content to find other ways to solve problem of noises from front end on Volkswagen Caddy.
